You can search the archives of Autocat -- a discussion list about cataloging. You can subscribe (it has a lot of traffic) or you can search the archives at this address:http://dir.gmane.org/gmane.education.libraries.autocat PENN STATE UNIVERSITY LIBRARIES: Cataloging and Metadata Services
Definitions and explanations of cataloging rules and MARC fields
CATALOGING PORTALS: SOURCES FOR ANSWERING A LOT OF QUESTIONS ABOUT HOW TO CATALOG
DEWEY GLOSSARY --Any terms you don't understand? This glossary will explain it all for you.
http://www.oclc.org/support/documentation/glossary/dewey.en.html#NumberBuilding
You can search the archives of Autocat -- a discussion list about cataloging. You can subscribe (it has a lot of traffic) or you can search the archives at this address:http://dir.gmane.org/gmane.education.libraries.autocat
PENN STATE UNIVERSITY LIBRARIES: Cataloging and Metadata Services
FOLLETT SOFTWARE COMPANY: Tag of the Month
MINERVA CATS: Cataloging Rules and Instruction
https://sites.google.com/site/minervacats/home/cataloging-rules-and-instruction